lib/scss_lint/linter.rb in scss-lint-0.16.1 vs lib/scss_lint/linter.rb in scss-lint-0.17.0

@@ -39,9 +39,32 @@
       return "\n" if actual_offset == engine.lines[actual_line].length
 
       engine.lines[actual_line][actual_offset]
     end
 
+    # Extracts the original source code given a range.
+    def source_from_range(source_range)
+      current_line = source_range.start_pos.line - 1
+      last_line = source_range.end_pos.line - 1
+
+      source = engine.lines[current_line][(source_range.start_pos.offset - 1)..-1]
+
+      current_line += 1
+      while current_line < last_line
+        source += "#{engine.lines[current_line]}\n"
+        current_line += 1
+      end
+
+      if source_range.start_pos.line != source_range.end_pos.line &&
+         # Sometimes the parser reports ranges ending on the first column of the
+         # line after the last line; don't include the last line in this case.
+         engine.lines.count == current_line - 1
+        source += "#{engine.lines[current_line][0...source_range.end_pos.offset]}\n"
+      end
+
+      source
+    end
+
     # Monkey-patched implementation that adds support for traversing
     # Sass::Script::Nodes (original implementation only supports
     # Sass::Tree::Nodes).
     def self.node_name(node)
       case node